   :decimation-tournament-size 2
   :evalpush-limit 200
   :evalpush-time-limit 0
-  :node-selection-method :size-tournament ;:unbiased
+  :node-selection-method :size-tournament
   :node-selection-leaf-probability 0.1
   :node-selection-tournament-size 2
   :pop-when-tagging true

  :error-function e
  :population-size 1000
  :use-single-thread false
  :error-threshold 0.00001
  :max-points 100
  :max-generations 1001
  :mutation-probability 0.5 ;0.4 ;0.6 ;0.4
  :mutation-max-points 20
  :crossover-probability 0.5 ;0.4 ;0.2 ;0.3 ;0.4
  :simplification-probability 0.0 ;0.2 ;0.0 ;0.1
  :tournament-size 7
  :report-simplifications 100
  :final-report-simplifications 1000

                              ;boolean_yankdup
                              boolean_dup
                              boolean_pop)
                           '(;exec_y
                              ;exec_fromziprights
                              exec_pop
                              exec_eq
                              ;exec_stackdepth
                              ;exec_rot
                              ;exec_do*times
                              ;exec_do*count
                              ;exec_s
                              ;exec_do*range
                              ;exec_fromzipnode
                              exec_if
                              ;exec_fromziplefts
                              ;exec_fromzipchildren
                              ;exec_k
                              ;exec_yank
                              ;exec_flush
                              ;exec_yankdup
